<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>input背景图片</title>
    <link rel="stylesheet" href="css/北大青鸟课程导航.css">

    <style>
      .anniu,.sousuo{float: left}
        .sech{float: right}
      .logo img{border: 2px solid red;display: inline}
        .logo{border: 1px solid yellow;width: 500px}
    </style>
</head>
<body>
     <div class="logo">
         <img src="img/京东logo.png" width="170" height="60">
     </div>
<div class="sech">
    <input type="text" class="sousuo">
    <input type="button" value="搜索"class="anniu">
</div>


</body>
</html>